210928131

素因数分解:

$3^6\times {\mathrm{89}}^1\times {\mathrm{3251}}^1$

素因数の和:3358

約数の個数: 28

約数和(自身を含む): 319899240

約数和(自身を除く): 108971109

約数列:

[1, 3, 9, 27, 81, 89, 243, 267, 729, 801, 2403, 3251, 7209, 9753, 21627, 29259, 64881, 87777, 263331, 289339, 789993, 868017, 2369979, 2604051, 7812153, 23436459, 70309377, 210928131]

約数ペア:

[(1, 210928131), (3, 70309377), (9, 23436459), (27, 7812153), (81, 2604051), (89, 2369979), (243, 868017), (267, 789993), (729, 289339), (801, 263331), (2403, 87777), (3251, 64881), (7209, 29259), (9753, 21627)]